Orthodontics

There are many people getting orthodontic treatment.

I heard that once you do it, you have to wear a retention device forever. Is that correct?

When I had my wisdom teeth removed, the doctor easily recommended orthodontic treatment.

I recently found out about this fact after being completely unaware of it~

I had no intention of orthodontics at all, so I just had it extracted, but orthodontics turned out to be very difficult..